/**
* Performs dex-opt on the elements of {@code classPath}, if needed. We choose the instruction set
* of the current runtime.
*/
private static void performSystemServerDexOpt(String classPath) {
final String[] classPathElements = classPath.split(":");
final InstallerConnection installer = new InstallerConnection();
installer.waitForConnection();
final String instructionSet = VMRuntime.getRuntime().vmInstructionSet();
try {
for (String classPathElement : classPathElements) {
final int dexoptNeeded =
DexFile.getDexOptNeeded(classPathElement, "*", instructionSet, false /* defer */);
if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) {
installer.dexopt(
classPathElement, Process.SYSTEM_UID, instructionSet, dexoptNeeded, 0 /*dexFlags*/);
}
}
} catch (IOException ioe) {
throw new RuntimeException("Error starting system_server", ioe);
} finally {
installer.disconnect();
}
}
private int performDexOptLI(
PackageParser.Package pkg,
String[] targetInstructionSets,
boolean forceDex,
boolean defer,
ArraySet<String> done) {
final String[] instructionSets =
targetInstructionSets != null
? targetInstructionSets
: getAppDexInstructionSets(pkg.applicationInfo);
if (done != null) {
done.add(pkg.packageName);
if (pkg.usesLibraries != null) {
performDexOptLibsLI(pkg.usesLibraries, instructionSets, forceDex, defer, done);
}
if (pkg.usesOptionalLibraries != null) {
performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSets, forceDex, defer, done);
}
}
if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) {
return DEX_OPT_SKIPPED;
}
final boolean vmSafeMode = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0;
final boolean debuggable = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0;
final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly();
boolean performedDexOpt = false;
// There are three basic cases here:
// 1.) we need to dexopt, either because we are forced or it is needed
// 2.) we are deferring a needed dexopt
// 3.) we are skipping an unneeded dexopt
final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets);
for (String dexCodeInstructionSet : dexCodeInstructionSets) {
if (!forceDex && pkg.mDexOptPerformed.contains(dexCodeInstructionSet)) {
continue;
}
for (String path : paths) {
final int dexoptNeeded;
if (forceDex) {
dexoptNeeded = DexFile.DEX2OAT_NEEDED;
} else {
try {
dexoptNeeded =
DexFile.getDexOptNeeded(path, pkg.packageName, dexCodeInstructionSet, defer);
} catch (IOException ioe) {
Slog.w(TAG, "IOException reading apk: " + path, ioe);
return DEX_OPT_FAILED;
}
}
if (!forceDex && defer && dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) {
// We're deciding to defer a needed dexopt. Don't bother dexopting for other
// paths and instruction sets. We'll deal with them all together when we process
// our list of deferred dexopts.
addPackageForDeferredDexopt(pkg);
return DEX_OPT_DEFERRED;
}
if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) {
final String dexoptType;
String oatDir = null;
if (dexoptNeeded == DexFile.DEX2OAT_NEEDED) {
dexoptType = "dex2oat";
try {
oatDir = createOatDirIfSupported(pkg, dexCodeInstructionSet);
} catch (IOException ioe) {
Slog.w(TAG, "Unable to create oatDir for package: " + pkg.packageName);
return DEX_OPT_FAILED;
}
} else if (dexoptNeeded == DexFile.PATCHOAT_NEEDED) {
dexoptType = "patchoat";
} else if (dexoptNeeded == DexFile.SELF_PATCHOAT_NEEDED) {
dexoptType = "self patchoat";
} else {
throw new IllegalStateException("Invalid dexopt needed: " + dexoptNeeded);
}
Log.i(
TAG,
"Running dexopt ("
+ dexoptType
+ ") on: "
+ path
+ " pkg="
+ pkg.applicationInfo.packageName
+ " isa="
+ dexCodeInstructionSet
+ " vmSafeMode="
+ vmSafeMode
+ " debuggable="
+ debuggable
+ " oatDir = "
+ oatDir);
final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid);
final int ret =
mPackageManagerService.mInstaller.dexopt(
path,
sharedGid,
!pkg.isForwardLocked(),
pkg.packageName,
dexCodeInstructionSet,
dexoptNeeded,
vmSafeMode,
debuggable,
oatDir);
// Dex2oat might fail due to compiler / verifier errors. We soldier on
// regardless, and attempt to interpret the app as a safety net.
if (ret == 0) {
performedDexOpt = true;
}
}
}
// At this point we haven't failed dexopt and we haven't deferred dexopt. We must
// either have either succeeded dexopt, or have had getDexOptNeeded tell us
// it isn't required. We therefore mark that this package doesn't need dexopt unless
// it's forced. performedDexOpt will tell us whether we performed dex-opt or skipped
// it.
pkg.mDexOptPerformed.add(dexCodeInstructionSet);
}
// If we've gotten here, we're sure that no error occurred and that we haven't
// deferred dex-opt. We've either dex-opted one more paths or instruction sets or
// we've skipped all of them because they are up to date. In both cases this
// package doesn't need dexopt any longer.
return performedDexOpt ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED;
}
